What's this test for?

This test is ideal if you or your care team need to further evaluate a suspicious tissue sample for signs of certain rare lymphomas. TIA-1 is a specialized stain used on biopsy tissue to help identify unusual cell patterns linked to T-cell and NK-cell blood cancers. It's typically ordered as a follow-up step after an initial tissue sample raises questions, not as a routine screening test.

What happens after I get my results?

Your results will be available in your account, and the report explains what the TIA-1 staining pattern shows in the tissue sample. Since this is a specialized pathology stain rather than a simple normal-range value, the report will describe whether the marker was detected and in what pattern. You can download the full lab report from your account at any time, and if additional testing or repeat biopsies are needed over time, you can track those results together using the trends feature. Because this test relates to tissue pathology, any next steps should be based on the full written interpretation included in your report.

Who should consider this test?

This test is generally considered when a prior tissue biopsy shows atypical lymphocytes that need further classification. It's most relevant for people already undergoing a diagnostic workup for a suspected lymphoma or lymphoproliferative condition, rather than something ordered on its own. If you've been told a tissue sample needs additional specialized staining, this is the type of test that provides that extra layer of detail.

What symptoms indicate I may need this test?

Symptoms that sometimes lead to this kind of specialized tissue testing include unexplained swollen lymph nodes, persistent skin rashes or lesions, unexplained fevers, night sweats, or unintentional weight loss. These symptoms alone don't point to a specific diagnosis, but when a biopsy has already been taken, TIA-1 staining helps narrow down what type of cells are involved. If you're experiencing these symptoms without an existing biopsy, that would typically come first.

When will I get my results?

Results for this specialized tissue stain are typically ready within about 7 days. This turnaround reflects the extra processing time needed for immunohistochemistry staining and careful tissue analysis, which takes longer than a standard blood test. You'll be notified as soon as your report is uploaded to your account.

What is TIA-1 and why does it matter?

TIA-1 is a marker found inside certain immune cells called cytotoxic lymphocytes, which are cells that normally help fight infections and abnormal cells. Pathologists use a special stain to check if TIA-1 is present in a tissue sample because certain rare lymphomas, like T-cell and NK-cell lymphomas, tend to show this marker. Finding TIA-1 in a sample gives helpful clues about what type of cells are present and helps guide further classification of the tissue.

What does a positive TIA-1 result mean?

A positive TIA-1 result means the marker was detected in the tissue sample, which can be seen in several types of T-cell and NK-cell lymphomas as well as some anaplastic large cell lymphomas. On its own, a positive result doesn't confirm a specific diagnosis — it's one piece of a larger picture that includes other stains and clinical findings. The full written report will explain how this result fits with the other testing done on the same sample.

What causes variation in TIA-1 staining results?

How strongly or evenly TIA-1 shows up in a tissue sample can depend on the type of cells present, how the sample was collected and processed, and the specific condition being investigated. Some lymphoma types show strong, consistent staining while others, like anaplastic large cell lymphomas, may only show variable or patchy reactivity. This is why TIA-1 results are always interpreted alongside other markers rather than by themselves.

How often should I retest?

This isn't a routine test you'd repeat on a regular schedule like a wellness panel. Retesting would generally only happen if a new biopsy is taken, for example if symptoms change, if you're monitoring an existing condition, or if a new tissue sample needs the same specialized evaluation. Your report will note if further tissue analysis is suggested.

What should I do if my results are concerning?

If your report indicates a concerning or positive finding, the most important next step is reviewing the full report and any accompanying pathology notes closely, since this type of result usually requires correlation with other tests done on the same sample. Keep a copy of your downloaded report for your records and bring it to any follow-up appointments. If you're experiencing worsening symptoms such as high fevers, rapid swelling, or severe fatigue, seek medical care promptly.

Getting your blood test with us is easy, private & backed by the power of science.Long story short: In the test options, use the filters or search box to narrow your choices and find the test you want. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy! If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

How do I know which test to get?

In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option. Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.

When will my lab results be available?

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know. After your blood draw, just hang tight and don't worry – we'll keep you updated and in the loop! If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com, and we'll gladly help you.

Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?

Absolutely! We totally understand that errors can happen. No worries, we're here to help you. Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you. There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out. Our lab requires an address to be listed to generate an order.

Do you accept health insurance?

Only HSA & FSA is accepted. Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts. This policy applies to all insurance companies, including federal health insurance programs like Medicare. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

Can I cancel my order?

Yes. We get it – sometimes your needs change. As long as your samples haven’t been collected yet, we’re happy to help you cancel your order. If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com. You can read more about our cancellation policy here.

How can I find a lab location near me?

During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp). Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

TIA-1 IHC Test - Lymphoma Tissue Marker Analysis

Getting your blood test with us is easy, private & backed by the power of science.

Long story short:

In the test options, use the filters or search box to narrow your choices and find the test you want.
If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!

754-799-7833

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